Daniel Waples and Davide Swarup on Hangs, with Ofir J. Rock on guitar and Roy Smila on Kamanche, from Arambol, Goa, India, in 2013:
www.youtube.com/watch?v=W9_t0lIDXOw
I generally prefer the Hang played by itself, but the impromptu improvisation with the two musicians of Anna RF is quite nice. (And I love the studio and transparent recording apparatus!)
More from Davide Swarup and Arambolla here:
www.davideswarup.com
www.davideswarup.com/arambolla
